G01G 13/18
By valves or flaps in the container bottom
Official title: by valves or flaps in the container bottom
G01G13/18 (By valves or flaps in the container bottom) appears on 68 US grants and 37 published applications in this corpus.
Search patents in G01G- Granted patents
- 68
- Published applications
- 37
- Assignees
- 38
- Inventors
- 120
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 5 | 3 |
| 2019 | 3 | 5 |
| 2020 | 4 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Weighing unit, batching method, and automatic batching system for floor production21 Jul 2026US 12,687,421 B2Stars Union Equipment Technology (Jiangsu) Co., Ltd.
- Weighing unit used for determining hazelnut productivity in hazelnut processing plants2 Jun 2026US 12,644,754 B2Balsu Gida Sanayi Ve Ticaret Anonim Sirketi
- Combination weighing device1 Apr 2025US 12,264,955 B2Ishida Co., Ltd.
- Combination weighing apparatus with improved hopper attachment workability17 May 2022US 11,333,546 B2Ishida Co., Ltd.
- Timing hopper and combination weighing device15 Feb 2022US 11,247,855 B2Ishida Co., Ltd.
- Weighing unit, batching method, and automatic batching system for floor production2 Jan 2025US 2025/0003788 A1Stars Union Equipment Technology (Jiangsu) Co., Ltd.
- Weighing unit used for determining hazelnut productivity in hazelnut processing plants1 Aug 2024US 2024/0255342 A1Balsu Gida Sanayi Ve Ticaret Anonim Sirketi
- Metered food dispenser with bi-directional dispensing drum movement to reduce product bridging2 May 2024US 2024/0142296 A1Franke Technology and Trademark Ltd
- Combination weighing device6 Apr 2023US 2023/0105361 A1Ishida Co., Ltd.
- Conveyance mechanism and combination weighing apparatus16 Sep 2021US 2021/0284463 A1Ishida Co., Ltd.
Most cited
By later US patents
- Removable material hopper assembly and method of using same to eliminate residual ingredient material92US 6,774,318 B2Process Control Corporation · 2004
- Granule gate and granule weighing machine incorporating the same61US 5,780,779 AKyoji Co., Ltd. · 1998
- Apparatus for the automatic determination of a continuous bulk material throughput by means of a continuous balance42US 4,944,428 A1990
- Automatic combination weighing machine36US 4,308,928 AYamato Scale Company, Limited · 1982
- Hopper for a weighing machine35US 5,379,923 AEagle Packaging Corp. · 1995